Question

What should be subtracted from 1 to get 1-x+2x²​

Answer 1

Step-by-step explanation:

get 1 - x + 2x²

1 - ( x - 2x² )

= 1 - x + 2x²

Answer 2

Step-by-step explanation:

1-x+2x^2=1

x+2x^2=1+1

x+2x^2=2

x+x^2=2/2

x+x^2=1